Inventor · Tokyo, JP

Keisuke Ikeda

59Patents
3h-index
76Co-inventors
69Inventor score

Filing activity: Oct 8, 1999 → Mar 26, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6313392A Thermoelectric semiconductor material, thermoelectric element, method of manufacturing these and method of manufacturing thermoelectric module and device for manufacturing thermoelectric semiconductor material Electricity 27 Expired
USD849795S1 Engine General 9 Active
US8028715B2 Check valve for vacuum sewage pipe and vacuum sewage system Emerging Cross-Sectional Technologies 6 Active
US6870675B2 Variable optical attenuator Physics 3 Expired
USD850740S1 Engine blower General 3 Active
US9063482B2 Cooling device and image forming apparatus Physics 3 Active
US9335676B2 Image forming apparatus Physics 3 Active
US8606138B2 Cooling device having a turbulence generating unit Mechanical Engineering; Lighting; Heating 3 Active
US9046858B2 Cooling device and image forming apparatus including same Physics 3 Active
US8879945B2 Cooling device and image forming apparatus Mechanical Engineering; Lighting; Heating 2 Active
US10210966B2 Insulated wire and coil Electricity 2 Active
US10991483B2 Assembled wire, method of producing the same, and electrical equipment using the same Electricity 2 Active
US7024073B2 Reflective variable light attenuator Physics 2 Expired
US9536636B2 Insulated wire, coil, and electric/electronic equipments as well as method of producing a film delamination-resistant insulated wire Electricity 2 Active
US8725026B2 Cooling device and image forming apparatus including same Physics 2 Active
US8977159B2 Image forming apparatus Physics 1 Active
US9728301B2 Insulated wire and electric or electronic equipment Electricity 1 Active
US9691521B2 Rectangular insulated wire and electric generator coil Electricity 1 Active
US11174972B2 Pipe joint Human Necessities 1 Active
US11450450B2 Insulated wire Electricity 1 Active
US10978219B2 Assembled wire, segmented conductor, and segment coil and motor using the same Electricity 1 Active
US9098024B2 Cooling device and image forming apparatus including same Physics 1 Active
US8847075B2 Insulated wire Electricity 1 Active
US9217979B2 Cooling device and image forming apparatus including same Physics 1 Active
US9372465B2 Cooling device and image forming apparatus including same Physics 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.